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<html> <head> <style type="text/css"> h1 {font-size-adjust: 0.50} h2 {font-size-adjust: 0.40} p {font-size-adjust: 0.60} </style> </head> <body> <h1>This is header 1</h1> <h2>This is header 2</h2> <p>This is a paragraph</p> </body> </html>